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2006•Unpublished venueRequires access

Reliability modelling of the DC uninterruptible power supply

Mohd Khairil Rahmat, Slobodan Jovanović, K.L. Lo

Open publisher page 8 citations

Abstract

The paper presents the method to predict the reliability parameters of the DC uninterruptible power supply (UPS) by using the reliability block diagram (RBD) method. Important quantitative system's reliability indices such as failure rate, mean time between failures (MTBF), availability and unavailability, can be calculated from the RBD models. In this paper, two configurations of DC UPS (with and without generator) were considered and comparisons on the resultant reliability parameters by using the proposed RBD method were discussed in detail. Actual field data from industrial best practice are used to validate the results of the analytical model.

About this research paper

What this paper is about

The paper presents the method to predict the reliability parameters of the DC uninterruptible power supply (UPS) by using the reliability block diagram (RBD) method. Important quantitative system's reliability indices such as failure rate, mean time between failures (MTBF), availability and unavailability, can be calculated from the RBD models. In this paper, two configurations of DC UPS (with and without generator) were considered and comparisons on the resultant reliability parameters by using the proposed RBD method were discussed in detail. Actual field data from industrial best practice are used to validate the results of the analytical model.

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OpenAlex reports 8 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

The paper presents the method to predict the reliability parameters of the DC uninterruptible power supply (UPS) by using the reliability block diagram (RBD) method. Important quantitative system's reliability indices such as failure rate, mean time between failures (MTBF), availability and unavailability, can be calculated from the RBD models. In this paper, two configurations of DC UPS (with and without generator) were considered and comparisons on the resultant reliability parameters by using the proposed RBD method were discussed in detail. Actual field data from industrial best practice are used to validate the results of the analytical model.

Key concepts: Unavailability, Uninterruptible power supply, Mean time between failures, Reliability engineering, Reliability (semiconductor), Reliability block diagram, Failure rate, Computer science

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